<template>
  <div class="ratingselect">
    <div class="rating-type border-1px">
      <span @click="select(2,$event)" class="block positive" :class="{'active':selectType===2}">{{desc.all}}<span class="count">{{ratings.length}}</span></span>
      <span @click="select(0,$event)" class="block positive" :class="{'active':selectType===0}">{{desc.positive}}<span class="count">{{positiveRatings.length}}</span></span>
      <span @click="select(1,$event)" class="block negative" :class="{'active':selectType===1}">{{desc.negative}}<span class="count">{{negativeRatings.length}}</span></span>
    </div>
    <div @click="toggleOnlyContent" class="switch" :class="{'on': onlyContent}">
      <span class="icon-check_circle"></span>
      <!-- <span class="text">只看有内容的评价--{{onlyContent}}--{{selectType}}</span> -->
      <span class="text">只看有内容的评价</span>
    </div>
  </div>
</template>

<script>
const POSITIVE = 0;
const NEGATIVE = 1;
const ALL = 2;

export default {
  props: {
    ratings: {
      type: Array,
      default() {
        return [];
      }
    },
    selectType: {
      type: Number,
      default: ALL
    },
    onlyContent: {
      type: Boolean,
      default: true
    },
    desc: {
      type: Object,
      default() {
        return {
          all: '全部',
          positive: '满意',
          negative: '不满意'
        };
      }
    }
  },
  computed: {
    positiveRatings() {
      return this.ratings.filter((rating) => {
        return rating.rateType === POSITIVE;
      });
    },
    negativeRatings() {
      return this.ratings.filter((rating) => {
        return rating.rateType === NEGATIVE;
      });
    }
  },
  methods: {
    select(type, event) {
      if (!event._constructed) {
        return;
      }
      this.selectType = type;
      // 接下来就是改变父组件中的selectType变量了
      this.$emit('getSelectType', type);
    },
    toggleOnlyContent() {
      if (!event._constructed) {
        return;
      }
      this.onlyContent = !this.onlyContent;
      // 接下来就是改变父组件中的onlyContent变量了
      this.$emit('getOnlyContent', this.onlyContent);
    }
  }
};
</script>

<style lang="stylus">
@import '../../common/stylus/mixin.styl'

.ratingselect
  .rating-type
    padding 18px 0
    margin 0 18px
    border-1px(rgba(7,17,27,0.1))
    font-size 0
    .block
      display inline-block
      padding 8px 12px
      border-radius 2px
      margin-right 8px
      color rgb(77,85,93)
      font-size 12px
      &.active
        color #ffffff
      .count
        margin-left 2px
        line-height 16px
        font-size 8px
      &.positive
        background rgba(0,160,220,0.2)
        &.active
          background rgb(0,160,220)
      &.negative
        background rgba(77,85,93,0.2)
        &.active
          background rgb(77,85,93)
  .switch
    padding 12px 18px
    line-height 24px
    border-bottom 1px solid rgba(0,17,27,0.1)
    color rgb(147,153,159)
    font-size 0
    &.on
      .icon-check_circle
        color #2d954e
    .icon-check_circle
      display inline-block
      vertical-align top
      margin-right 4px
      font-size 24px
    .text
      font-size 12px
</style>
